a tantard is a 'special' girl who is retarded and extremley clumsey. tends to drop things, forgets simple things such as a pair of gloves, but is also a very lovable creature and tends to make people laugh with her tantardedness.

tantard:
1)simple retarded things such as forgetting her gloves on a freezing cold day and has to waste presious time going home for them

2)clumseyness, often tends to drop hot chocolate either over herself or all over a train station floor.